Q: What is the mean for the numbers 20 40 30 30 20 40 30 and 30?

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20, 40, 50

Median is the middle number. In case there are two middle numbers, you can either calculate the average for the result or mark both numbers.20 30 40 50 median is 35 or {30;40}

If there are 20 red marbles and 40 blue marbles, the ratio of red to blue is 1 over 2. The number of white marbles does not matter.

The mean absolute deviation is 8.22

calculte Karl Pearson's co- efficient of correlation from the folowing data age of mother age of daughter 16 1 20 2 25 5 35 18 40 20 50 30 60 40 1

Related questions

20, 40, 50

10, 10, 20, 30, 30, 50.

30

No particular meaning.

The least common multiple of 20 , 40 , 30 = 120

To answer this question I will use an example. Data set: 10, 20, 30, 40, 50. First find the sum of all the numbers...so 10+20+30+40+50= 150. Then you take the sum (150) and divide it by the number of numbers in the data set. So 150 divided by 5 (the number of numbers in this data set) = 30. 30= the mean of the above data set. Finding the mean is pretty simple. :)

The LCM of all those numbers is 120 because it is the first number that 30, 40 and 20 divide into evenly.

20 and 2

10, 20, 30, 40, 50

20 TIMES 2 = 40 AND 40+-70=-30

10 and any multiple of 10 (20, 30, 40, etc) 20 and 30, 40 and 90, 60 and 70

20 30 40 50 60